RKI Instruments GD-K77D User Manual
Page 31
Model GD-K77D
Operator’s Manual
Operation • 26
CAUTION:
The gas alarms will only work in Detection Mode. If the Model GD-K77D is left in
Maintenance Mode for ten hours or more, it will switch to Detection
Mode
automatically.
Alarm Point Confirmation
When checking the alarm point, follow these steps:
1.
With the front control cover of the Model GD-K77D flipped open, press and hold the
Mode switch for three seconds to start Maintenance Mode. The display will show 1-1
and the Skip light will flash.
2.
Select 1-2, Alarm Check Point by using the FLOW ADJ switch.
3.
Press the TEST/SET switch to display the Alarm Set-point. The ALM1 LED will flash.
The readings shown below are typical. Use the FLOW ADJ switch to display the
ALM2 set-point. The ALM2 LED will start flashing.
LED indication
Display indication
PW/TR
ALM1
ALM2
SKIP
1
1
LED indication
Display indication
PW/TR
ALM1
ALM2
SKIP
1
2
LED indication
Display indication
PW/TR
ALM1
ALM2
SKIP
PW/TR
ALM1
ALM2
SKIP
3.
0
0
6.
0
0